<p dir="ltr">I would no longer recommend port knocking using a static port sequence. Instead, I'd recommend knockknock by moxie, <a href="https://github.com/moxie0/knockknock/blob/master/README">https://github.com/moxie0/knockknock/blob/master/README</a></p>
<div class="gmail_quote">On 3 May 2016 14:58, "Cristian Consonni" <<a href="mailto:kikkocristian@gmail.com">kikkocristian@gmail.com</a>> wrote:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi,<br>
<br>
I am putting together a blog post with tips and tools for<br>
administrating a node and then I have discovered the technique of<br>
"port knocking".<br>
<br>
I decided to experiment with it and I have created a guide that puts<br>
it together with the default configuration for iptables by<br>
torservers/moba[1a][1b].<br>
<br>
I have searched on this list and the topic of port knocking has been<br>
discussed very rarely (last discussions in late 2014).<br>
<br>
This is the guide I have writen:<br>
<a href="https://balist.es/blog/2016/05/03/configure-port-knocking-for-a-tor-node/" rel="noreferrer" target="_blank">https://balist.es/blog/2016/05/03/configure-port-knocking-for-a-tor-node/</a><br>
<br>
I would like to receive some feedback and I hope this can be useful<br>
for other operators.<br>
<br>
Cristian<br>
<br>
[1a]: <a href="https://www.torservers.net/wiki/setup/server" rel="noreferrer" target="_blank">https://www.torservers.net/wiki/setup/server</a><br>
[1b]: <a href="https://raw.githubusercontent.com/torservers/server-config-templates/master/iptables.test.rules" rel="noreferrer" target="_blank">https://raw.githubusercontent.com/torservers/server-config-templates/master/iptables.test.rules</a><br>
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</blockquote></div>